In the reaction below, 17 g of H2S with excess O2 produced 3 g of sulfur.
? H2S + 202 + ?S + ?H20.
What is the percent yield of sulfur?
Answer in units of %.

What element breaks down into yttrium-90?

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.